<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff" >
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 ,background:'#99CCCC'}"
          @click="handleClick"

      >
        <a-menu-item key="welcome">
          <smile-outlined />
          <span>数据概览</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><book-outlined  />  {{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <thunderbolt-outlined /> <span>  {{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <the-welcome></the-welcome>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :pagination="pagination" :data-source="ebooks" :grid="{ gutter: 200, column: 3}">

        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span>
                <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
                {{ item.docCount }}
              </span>
              <span>
                <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
                {{ item.viewCount }}
              </span>
              <span>
                <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
                {{ item.voteCount }}
              </span>
            </template>

            <a-list-item-meta :description="item.description">
              <template #title>
                <router-link :to="'/doc?ebookId=' + item.id">
                  {{ item.name }}
                </router-link>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>

          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { StarOutlined, LikeOutlined, MessageOutlined } from '@ant-design/icons-vue';
import { defineComponent , onMounted,ref} from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";
import TheWelcome from '@/components/Welcome.vue'

const listData: Record<string, string>[] = [];

// 测试用的假数据
// for (let i = 0; i < 23; i++) {
//   listData.push({
//     href: 'https://www.antdv.com/',
//     title: `ant design vue part ${i}`,
//     avatar: 'https://joeschmoe.io/api/v1/random',
//     description:
//         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
//     content:
//         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
//   });
// }

export default defineComponent({
  name: 'Home',
  components: {
    StarOutlined,
    LikeOutlined,
    MessageOutlined,
    TheWelcome,
  },
  setup(){
    console.log('setup')
    const ebooks = ref();

    const level1 =  ref();
    let categorys: any;
    /**
     * 查询所有分类
     **/
    const handleQueryCategory = () => {
      axios.get("/category/all").then((response) => {
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数组：", categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构：", level1.value);
        } else {
          message.error(data.message);
        }
      });
    };
    const pagination = {
      onChange: (page: number) => {
        console.log(page);
      },
      pageSize: 10,
    };

    const actions: Record<string, string>[] = [
      { type: 'StarOutlined', text: '156' },
      { type: 'LikeOutlined', text: '156' },
      { type: 'MessageOutlined', text: '2' },
    ];
    // 查询所有电子书
    const handleQueryEbook = () =>{
      axios.get("/ebook/list", {
        params: {
          page: 1,
          size: 1000,
          categoryId2: categoryId2
        }
      }).then((response) => {
        const data = response.data;
        ebooks.value = data.content.list;
        // ebooks1.books = data.content;
      });
    };

    // 点击首页菜单时的互斥事件
    const isShowWelcome = ref(true);
    let categoryId2 = 0;
    const handleClick = (value:any) => {
      console.log("菜单点击事件")
      // isShowWelcome.value = value.key === 'welcome'; 相当于下面这个if else 代码简化而来（idea自动简化）
      if (value.key === 'welcome') {
        isShowWelcome.value = true;
      } else {
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
      // isShowWelcome.value = value.key === 'welcome';
    };

    onMounted(() => {
      console.log("onMounted")
      handleQueryCategory();
      // 初始的时候不需要去查电子书
      // handleQueryEbook();
    });

    return{
      listData,
      pagination,
      actions,
      ebooks,

      handleClick,
      level1,
      isShowWelcome
    }
  }
});
</script>
<style scoped>
  .ant-avatar {
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 15%;
    margin: 5px 0;

  }
</style>